"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : MOT
Case Name   : 表定义相关SQL，创建MOT表，插入数据，删除MOT表
Create At   : 2020/09/18
Owner       : opentestcase001
Description :
    1.设置enable_incremental_checkpoint参数为off,并重启数据库
    2.创建MOT表，插入、更新、删除数据，清理数据
    3.恢复环境默认配置，修改enable_incremental_checkpoint为on，并重启数据库
Expect      :
    1.设置成功，重启数据库成功
    2.创建MOT表成功，插入更新删除数据成功，清理环境成功
    3.修改参数成功，重启数据库成功
History     :
    modified by opentestcase042,2023.01.05，优化MOT用例
"""

import os
import unittest
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant


class Mot_DDL_test(unittest.TestCase):

    def setUp(self):
        self.logger = Logger()
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.commonsh = CommonSH
        self.common = Common()
        self.config = 'enable_incremental_checkpoint'
        self.logger.info(f'-----{os.path.basename(__file__)} start-----')
        self.logger.info('------------修改配置，并重启数据库------------')
        show_msg = self.common.show_param(self.config)
        if 'off' not in show_msg:
            msg1 = self.primary_sh.execute_gsguc('set',
                                            self.constant.GSGUC_SUCCESS_MSG,
                                            f'{self.config}=off')
            self.logger.info(msg1)
            msg2 = self.primary_sh.restart_db_cluster()
            self.logger.info(msg2)
            msg3 = self.primary_sh.get_db_cluster_status()
            self.assertTrue("Normal" or "Degrade" in msg3)

    def test_MOT_table_DDL(self):
        text = '-----------------step:创建MOT表，插入数据，清理数据;expect:成功------------------'
        self.logger.info(text)
        self.schema = 'schema_mot_0062'
        self.t_name = 't_mot_0062'
        self.t_name_1 = 't_mot_0062_1'
        self.sql_cmd = f'''
                        drop schema if exists {self.schema};
                        create schema {self.schema};
                        drop foreign table if exists {self.schema}.{self.t_name};
                        drop foreign table if exists {self.schema}.{self.t_name_1};
                        create foreign table {self.schema}.{self.t_name}(id int,name varchar(10));
                        create foreign table {self.schema}.{self.t_name_1}(id int,name varchar(10));
                        insert into {self.schema}.{self.t_name} values(1,'a');
                        insert into {self.schema}.{self.t_name} values(2,'b'),(3,'c'),(4,'d');
                        insert into {self.schema}.{self.t_name_1} select * from {self.schema}.{self.t_name};
                        update {self.schema}.{self.t_name_1} set name='abc' where id=1;
                        select * from {self.schema}.{self.t_name};
                        delete from {self.schema}.{self.t_name} where id < 2;
                        truncate table {self.schema}.{self.t_name};
                        drop foreign table {self.schema}.{self.t_name};
                        drop foreign table {self.schema}.{self.t_name_1};
                        drop schema {self.schema} cascade;
                        '''

        msg4 = self.primary_sh.execut_db_sql(self.sql_cmd)
        self.logger.info(msg4)
        self.assertIn(self.constant.CREATE_FOREIGN_SUCCESS_MSG, msg4)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG, msg4)
        self.assertIn(self.constant.UPDATE_SUCCESS_MSG, msg4)
        self.assertIn(self.constant.DROP_FOREIGN_SUCCESS_MSG, msg4)
        self.assertIn(self.constant.DROP_SCHEMA_SUCCESS_MSG, msg4)

    def tearDown(self):
        self.logger.info('------------this is tearDown-------------')
        self.logger.info('-----------恢复配置，enable_incremental_checkpoint=on-----------')
        show_msg = self.common.show_param(self.config)
        if 'on' not in show_msg:
            msg5 = self.primary_sh.execute_gsguc('set',
                                                 self.constant.GSGUC_SUCCESS_MSG,
                                                 f'{self.config}=on')
            self.logger.info(msg5)
            msg6 = self.primary_sh.restart_db_cluster()
            self.logger.info(msg6)
            msg7 = self.primary_sh.get_db_cluster_status()
            self.assertTrue("Normal" or "Degrade" in msg7)
        show_msg = self.common.show_param(self.config)
        self.assertTrue('on' in show_msg)
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
